import { __awaiter, __generator, __spreadArray } from "tslib";
import { CollapseDefaultProps } from './props';
import fmtEvent from '../_util/fmtEvent';
import createValue from '../mixins/value';
function getBoundingClientRect(selector) {
    return new Promise(function (resolve, reject) {
        my.createSelectorQuery()
            .select(selector)
            .boundingClientRect()
            .exec(function (ret) {
            if (ret && ret[0]) {
                resolve(ret[0]);
            }
            else {
                reject();
            }
        });
    });
}
Component({
    props: CollapseDefaultProps,
    data: {
        contentHeight: [],
        hasChange: false,
    },
    mixins: [createValue({
            valueKey: 'current',
            defaultValueKey: 'defaultCurrent',
            transformValue: function (current, extra) {
                var value = this.formatCurrent(current, extra ? extra.nextProps : this.props);
                return {
                    needUpdate: true,
                    value: value,
                };
            },
        })],
    didUpdate: function (prevProps, prevData) {
        if (prevProps.items !== this.props.items || !this.isEqualValue(prevData)) {
            this.updateContentHeight(this.getValue(prevData), this.getValue());
        }
    },
    didMount: function () {
        var current = this.getValue();
        var contentHeight = this.props.items.map(function (item, index) {
            if (current.indexOf(index) >= 0) {
                return '';
            }
            return '0px';
        });
        this.setData({
            hasChange: true,
            contentHeight: contentHeight,
        });
    },
    methods: {
        formatCurrent: function (val, props) {
            var current = __spreadArray([], (val || []), true);
            var items = props.items;
            current = current.filter(function (item) {
                if (!items[item] || items[item].disabled) {
                    return false;
                }
                return true;
            });
            if (props.accordion) {
                current = current.length > 0 ? [current[0]] : [];
            }
            return __spreadArray([], current, true);
        },
        onChange: function (e) {
            var itemIndex = parseInt(e.currentTarget.dataset.index, 10);
            if (this.props.items[itemIndex] && this.props.items[itemIndex].disabled) {
                return;
            }
            var arr = this.getValue();
            var current = __spreadArray([], arr, true);
            var index = current.indexOf(itemIndex);
            if (index >= 0) {
                current.splice(index, 1);
            }
            else {
                if (this.props.accordion) {
                    current = [itemIndex];
                }
                else {
                    current.push(itemIndex);
                    current.sort();
                }
            }
            if (!this.isControlled()) {
                this.update(current);
            }
            if (this.props.onChange) {
                this.props.onChange(current, fmtEvent(this.props, e));
            }
        },
        updateContentHeight: function (prevCurrent, nextCurrent) {
            return __awaiter(this, void 0, void 0, function () {
                var prevCurrentArray, nextCurrentArray, expandArray, closeArray, contentHeight;
                var _this = this;
                return __generator(this, function (_a) {
                    switch (_a.label) {
                        case 0:
                            prevCurrentArray = prevCurrent;
                            nextCurrentArray = nextCurrent;
                            expandArray = [];
                            closeArray = [];
                            nextCurrentArray.forEach(function (item) {
                                if (prevCurrentArray.indexOf(item) < 0) {
                                    expandArray.push(item);
                                }
                            });
                            prevCurrentArray.forEach(function (item) {
                                if (nextCurrentArray.indexOf(item) < 0) {
                                    closeArray.push(item);
                                }
                            });
                            return [4 /*yield*/, Promise.all(this.props.items.map(function (item, index) { return __awaiter(_this, void 0, void 0, function () {
                                    var height;
                                    return __generator(this, function (_a) {
                                        switch (_a.label) {
                                            case 0:
                                                if (!(expandArray.indexOf(index) >= 0 || closeArray.indexOf(index) >= 0)) return [3 /*break*/, 2];
                                                return [4 /*yield*/, getBoundingClientRect(".ant-collapse-item-content-".concat(this.$id, "-").concat(index))];
                                            case 1:
                                                height = (_a.sent()).height;
                                                return [2 /*return*/, "".concat(height, "px")];
                                            case 2: return [2 /*return*/, this.data.contentHeight[index]];
                                        }
                                    });
                                }); }))];
                        case 1:
                            contentHeight = _a.sent();
                            if (closeArray.length === 0) {
                                this.setData({
                                    contentHeight: contentHeight,
                                });
                            }
                            else {
                                this.setData({
                                    contentHeight: contentHeight,
                                });
                                contentHeight = contentHeight.map(function (item, index) {
                                    if (closeArray.indexOf(index) >= 0) {
                                        return '0px';
                                    }
                                    return item;
                                });
                                setTimeout(function () {
                                    _this.setData({
                                        contentHeight: contentHeight,
                                    });
                                }, 10);
                            }
                            return [2 /*return*/];
                    }
                });
            });
        },
        resetContentHeight: function (e) {
            var index = parseInt(e.currentTarget.dataset.index, 10);
            if (this.getValue().indexOf(index) < 0) {
                return;
            }
            var contentHeight = __spreadArray([], this.data.contentHeight, true);
            contentHeight[index] = '';
            this.setData({
                contentHeight: contentHeight,
            });
        },
    },
});
